private void PlotLikelihood(string text, NumericalTools.Likelihood lk)
{
if (lk == null)
{
Image im = pbLkDisplay.Image;
Graphics g = Graphics.FromImage(im);
g.FillRectangle(new SolidBrush(Color.White), 0, 0, im.Width, im.Height);
g.DrawString("Likelihood not available - press Compute", new Font("Lucida", 10), new SolidBrush(Color.Black), 0, 0);
pbLkDisplay.Refresh();
}
else
{
Image im = pbLkDisplay.Image;
Graphics g = Graphics.FromImage(im);
g.FillRectangle(new SolidBrush(Color.White), 0, 0, im.Width, im.Height);
double[] p = new double[(int)Math.Floor((lk.MaxBound(0) - lk.MinBound(0)) / 0.05 + 1.0)];
double[] logl = new double[p.Length];
int i;
for (i = 0; i < p.Length; i++)
{
p[i] = lk.MinBound(0) + i * 0.05;
logl[i] = lk.LogValue(p[i]);
}
NumericalTools.Plot pl = new NumericalTools.Plot();
pl.VecX = p;
pl.VecY = logl;
double dummy = 0.0;
double miny = 0.0, maxy = 0.0;
NumericalTools.Fitting.FindStatistics(logl, ref maxy, ref miny, ref dummy, ref dummy);
maxy += 0.2 * (maxy - miny);
pl.JoinPenThickness = 2;
pl.MinX = lk.MinBound(0) - 0.05;
pl.MaxX = lk.MaxBound(0) + 0.05;
pl.SetXDefaultLimits = false;
pl.MinY = miny;
pl.MaxY = maxy;
pl.SetYDefaultLimits = false;
pl.XTitle = "P";
pl.YTitle = text;
pl.LabelFont = new Font("Lucida", 10);
pl.PanelFont = new Font("Lucida", 10);
pl.PanelY = 3;
pl.Scatter(g, im.Width, im.Height);
pbLkDisplay.Refresh();
}
}
private void btnDumpLikelihood_Click(object sender, EventArgs e)
{
if (Likelihood == null) return;
SaveFileDialog sdlg = new SaveFileDialog();
sdlg.Title = "Select file to save likelihood function points.";
sdlg.Filter = "Text files(*.txt)|*.txt|All files (*.*)|*.*";
System.IO.StreamWriter w = null;
if (sdlg.ShowDialog() == DialogResult.OK)
try
{
w = new System.IO.StreamWriter(sdlg.FileName);
w.Write("P\tLogL");
double p;
for (p = Likelihood.MinBound(0); p <= Likelihood.MaxBound(0); p += 0.05)
w.Write("\r\n" + p.ToString(System.Globalization.CultureInfo.InvariantCulture) + "\t" + Likelihood.LogValue(p).ToString(System.Globalization.CultureInfo.InvariantCulture));
w.Flush();
w.Close();
}
catch (Exception x)
{
MessageBox.Show("Can't write file \"" + sdlg.FileName + "\".", "File Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
if (w != null)
{
w.Close();
w = null;
}
}
if (w != null)
{
w.Close();
w = null;
}
}